This invention relates to compounds of formula I
their use as positive allosteric modulators of mGlu5 receptor activity, pharmaceutical compositions containing the same, and methods of using the same as agents for treatment and/or prevention of neurological and psychiatric disorders associated with glutamate dysfunction such as schizophrenia or cognitive decline such as dementia or cognitive impairment. A, B, Ar, R1, R2, R3 have meanings given in the description.
本发明涉及公式I的化合物,它们作为mGlu5受体活性的正向变构调节剂的使用,包含它们的制药组合物,以及将它们作为治疗和/或预防神经和精神障碍的药物,这些障碍与谷
氨酸功能失调有关,例如精神分裂症或认知衰退,例如痴呆或认知障碍。其中,A、B、Ar、R1、R2、R3的含义在描述中给出。